Question

Ada yg bisa bantu???

Answer 1

•)2log(x-5)^3+2log(x-5)=12
3. 2log(x-5)+2log(x-5)=12
4. 2log(x-5)=12
2log(x-5)=3
2^3=x-5
x=13

•) 4log9=a
2log3=a
3log2=1/a

27log2=1/3. 3log2=1/3. 1/a=1/3a